The apex monster of the Ancient Forest, also known as the “King of the Skies”. A fierce wyvern that descends upon invaders, attacking with its venomous claws and fiery breath.
Rathalos (CR 10)
N Huge Dragon
Init +0; Senses Dragon senses; Perception +16
AC 22, touch 8, flat-footed 22 (+14 natural, -2 size)
hp 138  (12d12+60)
Fort +13, Ref +8, Will +10
DR 5/magic; Immune Fire, Paralysis, Poison, Sleep; Resist Earth 10, Shadow 10
Weakness Lightning and Holy
Speed 30 ft., Fly 120 ft. (poor)
Melee Tail Slap +17 (2d6+7), Bite +18 (2d6+7 plus grab), 2 Wings +12 (1d8+3) or [Mid-Air] Tail Slap +17 (2d6+7), Bite +18 (2d6+7 plus grab), 2 Claws +12 (1d8+3 plus poison)
Space 10 ft.; Reach 10 ft. (15 ft. with Tail)
Special Attacks Breath Weapon (40-ft. Cone, 6d8 fire damage, Reflex DC 21 half, usable every 1d4 rounds), Rake (2 claws +12, 1d8+7),
Str 24, Dex 11, Con 20, Int 7, Wis 10, Cha 8
Base Atk +12; CMB +19 (+23 grapple and bull rush); CMD 29
Feats Hover, Improved Bull Rush, Improved Grapple, Improved Unarmed Strike, Power Attack, Weapon Focus (Bite)
Skills Fly +7, Perception +16, Sense Motive +16, Stealth +12
Glorious Roar (Ex)
Once every 1d6+1 rounds, a rathalos roars a glorious roar that echoes within a 40-ft.-radius burst. Any creature within the area of effect are inflicted with the Stun status effect for 1d2 rounds. A successful Fortitude save (DC 21) negates this status effect.
Claw – injury; Fortitude save DC 21; frequency 1/round for 6 rounds; effect 1d8 non-elemental damage; cure 2 consecutive saves. The save DC is Constitution-based.
Size: Huge; Speed: 20 ft., Fly 100 ft. (Poor); AC: +4 natural armor; Attack: bite (2d6 plus grab), tail slap (2d6), 2 wings (1d8); Ability Scores: Str 24, Dex 11, Con 20, Int 7, Wis 10, Cha 8; Special Attacks: Breath Weapon (1d8/HD); Special Qualities: Dragon Senses, Immunity to Sleep, Poison and Paralysis effects, Fire Affinity, DR 2/-.
At 16th level, the rathalos advances into a greater rathalos.